KECK OBSERVATORY CALENDAR FOR 2019 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2019 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg MON JUL 01 19 16 19 59 20 29 05 32 18 34 04 23 04 53 05 35 14 47 18 19 22 42 7.9 7.9 100 0622 2134 >90 TUE JUL 02 19 16 19 59 20 29 06 34 19 35 04 23 04 53 05 36 14 51 18 23 22 46 7.9 7.9 100 0723 2135 >90 WED JUL 03 19 16 19 59 20 29 20 34 04 24 04 54 05 36 14 55 18 27 22 51 7.9 7.8 98 0825 2008 >90 THU JUL 04 19 16 19 59 20 29 21 28 04 24 04 54 05 36 14 59 18 31 22 55 7.9 6.9 87 0926 1719 >90 FRI JUL 05 19 16 19 59 20 28 22 19 04 24 04 54 05 37 15 02 18 34 22 59 7.9 6.1 76 1024 1322 >90 SAT JUL 06 19 16 19 58 20 28 23 05 04 25 04 55 05 37 15 06 18 38 23 04 7.9 5.3 67 1119 0838 >90 SUN JUL 07 19 16 19 58 20 28 23 48 04 25 04 55 05 37 15 10 18 42 23 08 7.9 4.6 58 1213 0326 >90 MON JUL 08 19 16 19 58 20 28 00 30 04 26 04 56 05 38 15 14 18 46 23 13 8.0 3.9 49 1306-0150 86 TUE JUL 09 19 16 19 58 20 28 01 11 04 26 04 56 05 38 15 18 18 50 23 17 8.0 3.2 40 1357-0704 77 WED JUL 10 19 16 19 58 20 28 01 53 04 27 04 56 05 39 15 22 18 54 23 22 8.0 2.6 32 1448-1154 68 THU JUL 11 19 16 19 58 20 28 14 37 02 36 04 27 04 57 05 39 15 26 18 58 23 26 8.0 1.8 23 1541-1603 60 FRI JUL 12 19 16 19 58 20 27 15 33 03 22 04 28 04 57 05 39 15 29 19 02 23 31 8.0 1.1 13 1634-1922 53 SAT JUL 13 19 16 19 58 20 27 16 29 04 11 04 28 04 58 05 40 15 32 19 06 23 35 8.0 0.3 3 1729-2140 48 SUN JUL 14 19 15 19 57 20 27 17 24 05 01 04 29 04 58 05 40 15 36 19 10 23 40 8.0 0.0 0 1824-2252 44 MON JUL 15 19 15 19 57 20 27 18 16 05 53 04 29 04 59 05 40 15 40 19 14 23 44 8.0 0.0 0 1919-2254 43 TUE JUL 16 19 15 19 57 20 26 19 05 06 45 04 30 04 59 05 41 15 43 19 18 23 49 8.1 0.0 0 2012-2150 44 WED JUL 17 19 15 19 57 20 26 19 51 04 30 05 00 05 41 15 47 19 22 23 53 8.1 0.0 0 2104-1947 47 THU JUL 18 19 15 19 56 20 26 20 34 04 31 05 00 05 42 15 51 19 26 23 57 8.1 0.1 1 2153-1654 52 FRI JUL 19 19 14 19 56 20 25 21 13 04 31 05 00 05 42 15 54 19 30 00 01 8.1 0.8 9 2241-1321 58 SAT JUL 20 19 14 19 56 20 25 21 50 04 32 05 01 05 42 15 58 19 34 00 06 8.1 1.4 17 2326-0920 64 SUN JUL 21 19 14 19 55 20 24 22 25 04 32 05 01 05 43 16 01 19 38 00 10 8.1 2.0 24 0011-0459 72 MON JUL 22 19 14 19 55 20 24 22 59 04 33 05 02 05 43 16 05 19 42 00 15 8.2 2.6 31 0055-0024 79 TUE JUL 23 19 13 19 55 20 24 23 34 04 33 05 02 05 44 16 09 19 45 00 19 8.2 3.2 38 0139 0403 87 WED JUL 24 19 13 19 54 20 23 00 11 04 34 05 03 05 44 16 12 19 49 00 24 8.2 3.8 46 0226 0835 >90 THU JUL 25 19 13 19 54 20 23 00 50 04 34 05 03 05 44 16 16 19 53 00 28 8.2 4.5 54 0314 1244 >90 FRI JUL 26 19 12 19 53 20 22 01 33 14 18 04 35 05 04 05 45 16 19 19 57 00 33 8.2 5.2 63 0406 1624 >90 SAT JUL 27 19 12 19 53 20 21 02 21 15 15 04 35 05 04 05 45 16 22 20 01 00 37 8.2 6.0 72 0500 1918 >90 SUN JUL 28 19 11 19 52 20 21 03 15 16 15 04 36 05 05 05 46 16 26 20 05 00 42 8.2 6.9 83 0558 2111 >90 MON JUL 29 19 11 19 52 20 20 04 15 17 16 04 37 05 05 05 46 16 29 20 09 00 47 8.3 7.9 95 0659 2146 >90 TUE JUL 30 19 10 19 51 20 20 05 19 18 17 04 37 05 06 05 46 16 32 20 13 00 51 8.3 8.3 100 0801 2052 >90 WED JUL 31 19 10 19 51 20 19 06 25 19 14 04 38 05 06 05 47 16 35 20 17 00 56 8.3 8.3 100 0903 1831 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Jul 02 19:15 UT AND FOLLOWING MORNING. FIRST QUARTER Jul 09 10:55 UT All dates and times are zone HST FULL MOON Jul 16 21:36 UT in upper table (except sid time). LAST QUARTER Jul 25 01:17 UT